| E4440A-015 | 6 GHz return-loss Measurement Accessory Kit |
| E4440A-033 | Measuring receiver connector accessory kit |
| E4440A-107 | Audio input 100 kOhm |
| E4440A-110 | RF/uW internal preamplifier |
| E4440A-111 | USB device side I/O interface |
| E4440A-117 | Secure memory erase |
| E4440A-122 | 80 MHz bandwidth digitizer |
| E4440A-123 | Switchable MW preselector bypass |
| E4440A-124 | Y-axis video output |
| E4440A-140 | 40 MHZ Bandwidth Digitizer |
| E4440A-1CM | Rackmount Kit |
| E4440A-1CN | Handle kit |
| E4440A-1CP | Rack mount kit with handles |
| E4440A-1CR | Rack slide kit |
| E4440A-1DS | RF internal preamplifier |
| E4440A-202 | GSM/EDGE measurement personality, fixed perpetual license |
| E4440A-204 | 1xEV-DO measurement personality, fixed perpetual license |
| E4440A-210 | HSDPA/HSUPA measurement personality, fixed perpetual license |
| E4440A-211 | TD-SCDMA power measurement personality, fixed perpetual license |
| E4440A-212 | TD-SCDMA modulation analysis measurement personality, fixed perpetual license |
| E4440A-213 | HSPA/8PSK for TD-SCDMA modulation analysis measurement personality, fixed perpetual license |
| E4440A-214 | 1XEV-DV measurement personality, fixed perpetual license |
| E4440A-215 | External source control measurement personality, fixed perpetual license |
| E4440A-217 | WLAN 802.11a/b/g measurement personality, fixed perpetual license |
| E4440A-219 | Noise figure measurement personality fixed perpetual license |
| E4440A-226 | Phase noise measurement personality, fixed perpetual license |
| E4440A-230 | Benchlink web remote control software |
| E4440A-233 | Measuring receiver measurement personality, fixed perpetual license |
| E4440A-235 | Wide BW digitizer external calibration wizard, fixed perpetual license |
| E4440A-239 | EMC measurement personality, fixed perpetual license |
| E4440A-23B | CCITT filter for audio measurements, fixed perpetual license |
| E4440A-241 | Flexible digital modulation analysis measurement personality, fixed perpetual license |
| E4440A-266 | 8566/8568 programming code compatibility suite |
| E4440A-A6J | ANSI Z540-1-1994 Calibration |
| E4440A-AMG | Calibration + Uncertainties + Guardbanding (Accredited) |
| E4440A-AYZ | External Mixing |
| E4440A-B78 | CDMA2000 measurement personality, fixed perpetual license |
| E4440A-B7J | Digital demodulation hardware |
| E4440A-BAB | APC 3.5 Connector |
| E4440A-BAC | CDMAOne measurement personality, fixed perpetual license |
| E4440A-BAE | NADC,PDC measurement personality, fixed perpetual license |
| E4440A-BAF | W-CDMA measurement personality, fixed perpetual license |
| E4440A-C01 | RF connector color code |
| E4440A-H20 | 20 MHz if output at rear panel |
| E4440A-H70 | 70 MHz output |
| E4440A-H7L | Aux log video out |
| E4440A-HB2 | 21.4 MHz output |
| E4440A-HB6 | Prevention of unauthorized firmware upgrade |
| E4440A-HGT | Allows Gate width of less than 10 uSec. |
| E4440A-HN9 | Wideband IF Out |
| E4440A-HS1 | Increased level of security - write protects user files |
| E4440A-HY7 | Improve gain 70 MHz output |
| E4440A-UK6 | Commercial calibration certificate with test data |
| 1CM013A | Rackmount Flange Kit 177.0mm H (4U) - Two Flange Brackets |
| N6171A | MATLAB Software |
| N6171A-M01 | MATLAB-Basic Package, individual license - node-locked |
| N6171A-M02 | MATLAB-Standard Package, individual license - node-locked |
| N6171A-M03 | MATLAB-Advanced Package, individual license - node-locked |
| N9051A | Pulse Measurement Software |
| N9051A-2FP | Pulse measurement software, fixed perpetual license |
| N9051A-2TP | Pulse measurement software, fixed, transportable perpetual license |
| N9051A-3FP | Phase and frequency measurements, fixed perpetual license |
| N9051A-3TP | Phase and Frequency Measurements, transportable perpetual license |
| N9051A-4FP | Extended analysis and statistics, fixed perpetual license |
| N9051A-4TP | Extended Analysis and Statistics, transportable perpetual license |
